2023 Form IL-1120Illinois Department of Revenue: Fill out & sign online

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Where can I get IRS paper forms?

These forms and publications are available on the Internet, on CD-ROM, through fax on demand, over the telephone, through the mail, at local IRS offices, at some banks, post offices, and libraries, and even at some grocery stores, copy centers and office supply stores.

What is the IL 1120 ST form?

2022 Form IL-1120-ST, Small Business Corporation Replacement Tax Return.

How can I get tax forms mailed to me?

Get federal tax forms for current and prior years Download them from IRS.gov. Order online and have them delivered by U.S. mail. Order by phone at 1-800-TAX-FORM (1-800-829-3676)

Where can I get IRS tax forms near me?

Local IRS Taxpayer Assistance Center (TAC) The most common tax forms and instructions are available at local TACs in IRS offices throughout the country. To find the nearest IRS TAC, use the TAC Office Locator on IRS.gov.

Who must file IL 1120?

Corporations must complete Form IL-1120. Computer generated forms from an IDOR-approved software developer are acceptable. Form IL-1120 (R12/23) is for tax years ending on or after December 31, 2023, and before December 31, 2024. For tax years ending before December 31, 2023, use the 2022 form.

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